Home / 28,610.96-39,477.05-17,278.25

Finding the Fourth Proportional to 28,610.96, 39,477.05 and 17,278.25

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Solution

The fourth proportional to 28,610.96, 39,477.05 and 17,278.25 is: 23,840.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610.96 : 39,477.05 = 17,278.25 : x
  2. Step 2: Convert to fraction form
    28,610.96/39,477.05 = 17,278.25/x
  3. Step 3: Cross multiply
    28,610.96x = 39,477.05 × 17,278.25
  4. Step 4: Simplify right side
    28,610.96x = 682,094,217.37
  5. Step 5: Solve for x
    x = 682,094,217.37/28,610.96
  6. Step 6: Final answer
    x = 23,840.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.